25500190 has 8 divisors (see below), whose sum is σ = 45900360. Its totient is φ = 10200072.

The previous prime is 25500151. The next prime is 25500229. The reversal of 25500190 is 9100552.

It is an interprime number because it is at equal distance from previous prime (25500151) and next prime (25500229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25500190² = 1300519380072200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275000 + ... + 1275019.

It is an arithmetic number, because the mean of its divisors is an integer number (5737545).

Almost surely, 2^25500190 is an apocalyptic number.

25500190 is a deficient number, since it is larger than the sum of its proper divisors (20400170).

25500190 is a wasteful number, since it uses less digits than its factorization.

25500190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550026.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 25500190 is about 5049.7712819493. The cubic root of 25500190 is about 294.3389968786.

The spelling of 25500190 in words is "twenty-five million, five hundred thousand, one hundred ninety".